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Equation 17 · Forty Million Clicks Through One Uneven Door

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δ\delta

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the given bias. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.

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δ\delta

Symbol delta

the given bias.

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What the article says around this equation

Solving for the minimum defect correlation needed to produce a given bias δ\delta , and taking the most generous possible bound for a roughly binary preference indicator, σY\sigma_Y ≤\le 0.5 , gives what this article calls, for a specific country c , its Country Selection-Divergence Bound:

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